Hazards are typically categorized into chemical, biological, and physical hazards. Chemical hazards include substances like industrial chemicals, pesticides, and pharmaceuticals that can cause toxic effects through inhalation, ingestion, or skin contact. Biological hazards involve pathogens such as bacteria, viruses, and fungi that can lead to infections and diseases. Physical hazards refer to environmental factors like radiation, noise, and temperature extremes that can cause physical harm to living organisms.
